题目

—Father, you promised!—Well, __________. But it was you who didn't keep your word first. A . so was I B . so did I C . so I was D . so I did 答案：D已知函数f（x）=x2，g（x）=x-1．（1）若?x∈R使f（x）＜b•g（x），求实数b的取值范围；（2）设F（x）=f（x）-mg（x）+1-m-m2，且|F（x）|在[0，1]上单调递增，求实数m的取值范围．